Fixes stddev.rs calculation. Prevents calculation for < 2 values

kevloui · kevloui · commit 34d18277016b · 2020-08-07T09:20:50.000+01:00
diff --git a/amadeus-core/src/par_sink/stddev.rs b/amadeus-core/src/par_sink/stddev.rs
@@ -70,6 +70,7 @@ impl FolderSync<f64> for SDFolder<StepA> {
 			state.sd = state.variance.sqrt()
 		} else {
 			state.variance = f64::NAN;
+			state.sd = f64::NAN
 		}
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -70,6 +70,7 @@ impl FolderSync<f64> for SDFolder<StepA> {`
`70`	`70`	`state.sd = state.variance.sqrt()`
`71`	`71`	`} else {`
`72`	`72`	`state.variance = f64::NAN;`
	`73`	`+ state.sd = f64::NAN`
`73`	`74`	`}`
`74`	`75`	`}`
`75`	`76`